[PATCH 3/5] drm/amdgpu/vce:set vce ring priority level

[Satyajit Sahu]

There are multiple rings available in VCE. Map each ring
to different priority.

Signed-off-by: Satyajit Sahu <satyajit.sahu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c | 14 ++++++++++++++
 drivers/gpu/drm/amd/amdgpu/amdgpu_vce.h | 15 +++++++++++++++
 2 files changed, 29 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
index 1ae7f824adc7..379f27f14b39 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
@@ -1168,3 +1168,17 @@ int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring, long timeout)
 	amdgpu_bo_free_kernel(&bo, NULL, NULL);
 	return r;
 }
+
+enum vce_enc_ring_priority get_vce_ring_prio(int index)
+{
+	switch(index) {
+	case AMDGPU_VCE_GENERAL_PURPOSE:
+		return AMDGPU_VCE_ENC_PRIO_NORMAL;
+	case AMDGPU_VCE_LOW_LATENCY:
+		return AMDGPU_VCE_ENC_PRIO_HIGH;
+	case AMDGPU_VCE_REALTIME:
+		return AMDGPU_VCE_ENC_PRIO_VERY_HIGH;
+	default:
+		return AMDGPU_VCE_ENC_PRIO_NORMAL;
+	}
+}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.h
index d6d83a3ec803..3cb34ee3e4b6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.h
@@ -32,6 +32,19 @@
 
 #define AMDGPU_VCE_FW_53_45	((53 << 24) | (45 << 16))
 
+enum vce_enc_ring_priority {
+	AMDGPU_VCE_ENC_PRIO_NORMAL = 1,
+	AMDGPU_VCE_ENC_PRIO_HIGH,
+	AMDGPU_VCE_ENC_PRIO_VERY_HIGH,
+	AMDGPU_VCE_ENC_PRIO_MAX
+};
+
+enum vce_enc_ring_type {
+	AMDGPU_VCE_GENERAL_PURPOSE,
+	AMDGPU_VCE_LOW_LATENCY,
+	AMDGPU_VCE_REALTIME
+};
+
 struct amdgpu_vce {
 	struct amdgpu_bo	*vcpu_bo;
 	uint64_t		gpu_addr;
@@ -72,4 +85,6 @@ void amdgpu_vce_ring_end_use(struct amdgpu_ring *ring);
 unsigned amdgpu_vce_ring_get_emit_ib_size(struct amdgpu_ring *ring);
 unsigned amdgpu_vce_ring_get_dma_frame_size(struct amdgpu_ring *ring);
 
+enum vce_enc_ring_priority get_vce_ring_prio(int index);
+
 #endif
-- 
2.25.1